CAS No. 151840-68-5 Formula C20H30ZrCl2 Molecular Weight 432.58 Appearance White to light yellow powder Purity ï¼?99.0% min Quality: very good and used in many Chinese plants which can completely take place of relevant catalyst from Albemarle. Packing: 25kg cardboard drum ,tightly sealed or foil bag. Supply quantity : 100kgs max per month(currently) Application : as a catalyst for production of high level HDPE which has a vast demand both in China and abroad.